SB2025022789 - NULL pointer dereference in Linux kernel net vxlan driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022789
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-21790)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vxlan_init() function in drivers/net/vxlan/vxlan_core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3215f5aafc49aaa993991633833854694e73b439
- https://git.kernel.org/stable/c/5805402dcc56241987bca674a1b4da79a249bab7
- https://git.kernel.org/stable/c/79aea5e55156c87dc570e43fcd8bba01b9d6ab3f
- https://git.kernel.org/stable/c/a303649b99b64858d62ce7428125d8e71675d2b6
- https://git.kernel.org/stable/c/e860f847787fbbf0d8dacd638c019c7c3d4a9bd3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.16